var Main = {
    data() {
      return {
        pickerOptions1: {
          disabledDate : null
        },
        value1: '',
      };
    },
    methods:{
    changeTime () {
    	this.value1 = "2018-02-10"
    }
  }
  }
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')